// Copyright (c) 2022 NetEase, Inc. All rights reserved.
// Use of this source code is governed by a MIT license that can be
// found in the LICENSE file.

import UIKit

public extension UIDevice {
  static let modelName: String = {
    var systemInfo = utsname()
    uname(&systemInfo)
    let machineMirror = Mirror(reflecting: systemInfo.machine)
    let identifier = machineMirror.children.reduce("") { identifier, element in
      guard let value = element.value as? Int8, value != 0 else { return identifier }
      return identifier + String(UnicodeScalar(UInt8(value)))
    }

    func mapToDevice(identifier: String) -> String { // swiftlint:disable:this cyclomatic_complexity
      #if os(iOS)
        switch identifier {
        case "iPod5,1": return "iPod touch (5th generation)"
        case "iPod7,1": return "iPod touch (6th generation)"
        case "iPod9,1": return "iPod touch (7th generation)"
        case "iPhone3,1", "iPhone3,2", "iPhone3,3": return "iPhone 4"
        case "iPhone4,1": return "iPhone 4s"
        case "iPhone5,1", "iPhone5,2": return "iPhone 5"
        case "iPhone5,3", "iPhone5,4": return "iPhone 5c"
        case "iPhone6,1", "iPhone6,2": return "iPhone 5s"
        case "iPhone7,2": return "iPhone 6"
        case "iPhone7,1": return "iPhone 6 Plus"
        case "iPhone8,1": return "iPhone 6s"
        case "iPhone8,2": return "iPhone 6s Plus"
        case "iPhone9,1", "iPhone9,3": return "iPhone 7"
        case "iPhone9,2", "iPhone9,4": return "iPhone 7 Plus"
        case "iPhone10,1", "iPhone10,4": return "iPhone 8"
        case "iPhone10,2", "iPhone10,5": return "iPhone 8 Plus"
        case "iPhone10,3", "iPhone10,6": return "iPhone X"
        case "iPhone11,2": return "iPhone XS"
        case "iPhone11,4", "iPhone11,6": return "iPhone XS Max"
        case "iPhone11,8": return "iPhone XR"
        case "iPhone12,1": return "iPhone 11"
        case "iPhone12,3": return "iPhone 11 Pro"
        case "iPhone12,5": return "iPhone 11 Pro Max"
        case "iPhone13,1": return "iPhone 12 mini"
        case "iPhone13,2": return "iPhone 12"
        case "iPhone13,3": return "iPhone 12 Pro"
        case "iPhone13,4": return "iPhone 12 Pro Max"
        case "iPhone14,4": return "iPhone 13 mini"
        case "iPhone14,5": return "iPhone 13"
        case "iPhone14,2": return "iPhone 13 Pro"
        case "iPhone14,3": return "iPhone 13 Pro Max"
        case "iPhone14,7": return "iPhone 14"
        case "iPhone14,8": return "iPhone 14 Plus"
        case "iPhone15,2": return "iPhone 14 Pro"
        case "iPhone15,3": return "iPhone 14 Pro Max"
        case "iPhone8,4": return "iPhone SE"
        case "iPhone12,8": return "iPhone SE (2nd generation)"
        case "iPhone14,6": return "iPhone SE (3rd generation)"
        case "iPad2,1", "iPad2,2", "iPad2,3", "iPad2,4": return "iPad 2"
        case "iPad3,1", "iPad3,2", "iPad3,3": return "iPad (3rd generation)"
        case "iPad3,4", "iPad3,5", "iPad3,6": return "iPad (4th generation)"
        case "iPad6,11", "iPad6,12": return "iPad (5th generation)"
        case "iPad7,5", "iPad7,6": return "iPad (6th generation)"
        case "iPad7,11", "iPad7,12": return "iPad (7th generation)"
        case "iPad11,6", "iPad11,7": return "iPad (8th generation)"
        case "iPad12,1", "iPad12,2": return "iPad (9th generation)"
        case "iPad13,18", "iPad13,19": return "iPad (10th generation)"
        case "iPad4,1", "iPad4,2", "iPad4,3": return "iPad Air"
        case "iPad5,3", "iPad5,4": return "iPad Air 2"
        case "iPad11,3", "iPad11,4": return "iPad Air (3rd generation)"
        case "iPad13,1", "iPad13,2": return "iPad Air (4th generation)"
        case "iPad13,16", "iPad13,17": return "iPad Air (5th generation)"
        case "iPad2,5", "iPad2,6", "iPad2,7": return "iPad mini"
        case "iPad4,4", "iPad4,5", "iPad4,6": return "iPad mini 2"
        case "iPad4,7", "iPad4,8", "iPad4,9": return "iPad mini 3"
        case "iPad5,1", "iPad5,2": return "iPad mini 4"
        case "iPad11,1", "iPad11,2": return "iPad mini (5th generation)"
        case "iPad14,1", "iPad14,2": return "iPad mini (6th generation)"
        case "iPad6,3", "iPad6,4": return "iPad Pro (9.7-inch)"
        case "iPad7,3", "iPad7,4": return "iPad Pro (10.5-inch)"
        case "iPad8,1", "iPad8,2", "iPad8,3", "iPad8,4": return "iPad Pro (11-inch) (1st generation)"
        case "iPad8,9", "iPad8,10": return "iPad Pro (11-inch) (2nd generation)"
        case "iPad13,4", "iPad13,5", "iPad13,6", "iPad13,7": return "iPad Pro (11-inch) (3rd generation)"
        case "iPad14,3", "iPad14,4": return "iPad Pro (11-inch) (4th generation)"
        case "iPad6,7", "iPad6,8": return "iPad Pro (12.9-inch) (1st generation)"
        case "iPad7,1", "iPad7,2": return "iPad Pro (12.9-inch) (2nd generation)"
        case "iPad8,5", "iPad8,6", "iPad8,7", "iPad8,8": return "iPad Pro (12.9-inch) (3rd generation)"
        case "iPad8,11", "iPad8,12": return "iPad Pro (12.9-inch) (4th generation)"
        case "iPad13,8", "iPad13,9", "iPad13,10", "iPad13,11": return "iPad Pro (12.9-inch) (5th generation)"
        case "iPad14,5", "iPad14,6": return "iPad Pro (12.9-inch) (6th generation)"
        case "AppleTV5,3": return "Apple TV"
        case "AppleTV6,2": return "Apple TV 4K"
        case "AudioAccessory1,1": return "HomePod"
        case "AudioAccessory5,1": return "HomePod mini"
        case "i386", "x86_64", "arm64": return "Simulator \(mapToDevice(identifier: ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] ?? "iOS"))"
        default: return identifier
        }
      #elseif os(tvOS)
        switch identifier {
        case "AppleTV5,3": return "Apple TV 4"
        case "AppleTV6,2": return "Apple TV 4K"
        case "i386", "x86_64": return "Simulator \(mapToDevice(identifier: ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] ?? "tvOS"))"
        default: return identifier
        }
      #endif
    }

    return mapToDevice(identifier: identifier)
  }()

  static let isChinese: Bool = {
    var isChinese = false
    if let languages = UserDefaults.standard.object(forKey: "AppleLanguages") as? [String],
       languages.count > 0 {
      let preferredLang = languages[0]
      if preferredLang.contains("zh-Hans") {
        isChinese = true
      }
    }
    return isChinese
  }()
}
